219 wiersze
6.5 KiB
C++
219 wiersze
6.5 KiB
C++
/*
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Copyright 2014 S. Razi Alavizadeh
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Copyright 2013-2014 Adam Reichold
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This file is part of qpdfview.
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qpdfview is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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qpdfview is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with qpdfview. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef DOCUMENTMODEL_H
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#define DOCUMENTMODEL_H
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#include <QList>
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#include <QtPlugin>
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#include <QWidget>
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#include <QVector>
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class QAbstractItemModel;
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class QColor;
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class QImage;
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class QPrinter;
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class QSizeF;
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#include "global.h"
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namespace qpdfview
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{
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namespace Model
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{
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struct Link
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{
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QPainterPath boundary;
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int page;
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qreal left;
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qreal top;
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QString urlOrFileName;
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Link() : boundary(), page(-1), left(qQNaN()), top(qQNaN()), urlOrFileName() {}
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Link(const QPainterPath& boundary, int page, qreal left = qQNaN(), qreal top = qQNaN()) : boundary(boundary), page(page), left(left), top(top), urlOrFileName() {}
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Link(const QRectF& boundingRect, int page, qreal left = qQNaN(), qreal top = qQNaN()) : boundary(), page(page), left(left), top(top), urlOrFileName() { boundary.addRect(boundingRect); }
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Link(const QPainterPath& boundary, const QString& url) : boundary(boundary), page(-1), left(qQNaN()), top(qQNaN()), urlOrFileName(url) {}
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Link(const QRectF& boundingRect, const QString& url) : boundary(), page(-1), left(qQNaN()), top(qQNaN()), urlOrFileName(url) { boundary.addRect(boundingRect); }
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Link(const QPainterPath& boundary, const QString& fileName, int page) : boundary(boundary), page(page), left(qQNaN()), top(qQNaN()), urlOrFileName(fileName) {}
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Link(const QRectF& boundingRect, const QString& fileName, int page) : boundary(), page(page), left(qQNaN()), top(qQNaN()), urlOrFileName(fileName) { boundary.addRect(boundingRect); }
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};
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struct Section;
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typedef QVector< Section > Outline;
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struct Section
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{
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QString title;
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Link link;
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Outline children;
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};
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typedef QVector< QPair< QString, QString > > Properties;
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class Annotation : public QObject
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{
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Q_OBJECT
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public:
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Annotation(QObject* parent = 0) : QObject(parent) {}
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virtual ~Annotation() {}
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virtual QRectF boundary() const = 0;
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virtual QString contents() const = 0;
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virtual QWidget* createWidget() = 0;
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signals:
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void wasModified();
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};
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class FormField : public QObject
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{
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Q_OBJECT
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public:
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FormField(QObject* parent = 0) : QObject(parent) {}
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virtual ~FormField() {}
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virtual QRectF boundary() const = 0;
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virtual QString name() const = 0;
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virtual QWidget* createWidget() = 0;
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signals:
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void wasModified();
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};
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class Page
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{
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public:
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virtual ~Page() {}
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virtual QSizeF size() const = 0;
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virtual QImage render(qreal horizontalResolution = 72.0, qreal verticalResolution = 72.0, Rotation rotation = RotateBy0, QRect boundingRect = QRect()) const = 0;
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virtual QString label() const { return QString(); }
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virtual QList< Link* > links() const { return QList< Link* >(); }
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virtual QString text(const QRectF& rect) const { Q_UNUSED(rect); return QString(); }
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virtual QString cachedText(const QRectF& rect) const { return text(rect); }
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virtual QList< QRectF > search(const QString& text, bool matchCase, bool wholeWords) const { Q_UNUSED(text); Q_UNUSED(matchCase); Q_UNUSED(wholeWords); return QList< QRectF >(); }
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virtual QList< Annotation* > annotations() const { return QList< Annotation* >(); }
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virtual bool canAddAndRemoveAnnotations() const { return false; }
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virtual Annotation* addTextAnnotation(const QRectF& boundary, const QColor& color) { Q_UNUSED(boundary); Q_UNUSED(color); return 0; }
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virtual Annotation* addHighlightAnnotation(const QRectF& boundary, const QColor& color) { Q_UNUSED(boundary); Q_UNUSED(color); return 0; }
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virtual void removeAnnotation(Annotation* annotation) { Q_UNUSED(annotation); }
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virtual QList< FormField* > formFields() const { return QList< FormField* >(); }
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};
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class Document
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{
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public:
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virtual ~Document() {}
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virtual int numberOfPages() const = 0;
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virtual Page* page(int index) const = 0;
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virtual bool isLocked() const { return false; }
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virtual bool unlock(const QString& password) { Q_UNUSED(password); return false; }
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virtual QStringList saveFilter() const { return QStringList(); }
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virtual bool canSave() const { return false; }
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virtual bool save(const QString& filePath, bool withChanges) const { Q_UNUSED(filePath); Q_UNUSED(withChanges); return false; }
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virtual bool canBePrintedUsingCUPS() const { return false; }
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virtual void setPaperColor(const QColor& paperColor) { Q_UNUSED(paperColor); }
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enum
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{
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PageRole = Qt::UserRole + 1,
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LeftRole,
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TopRole,
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FileNameRole,
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ExpansionRole
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};
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virtual Outline outline() const { return Outline(); }
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virtual Properties properties() const { return Properties(); }
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virtual QAbstractItemModel* fonts() const { return 0; }
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virtual bool wantsContinuousMode() const { return false; }
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virtual bool wantsSinglePageMode() const { return false; }
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virtual bool wantsTwoPagesMode() const { return false; }
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virtual bool wantsTwoPagesWithCoverPageMode() const { return false; }
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virtual bool wantsRightToLeftMode() const { return false; }
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};
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}
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class SettingsWidget : public QWidget
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{
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Q_OBJECT
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public:
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explicit SettingsWidget(QWidget* parent = 0) : QWidget(parent) {}
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virtual void accept() = 0;
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virtual void reset() = 0;
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};
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class Plugin
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{
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public:
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virtual ~Plugin() {}
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virtual Model::Document* loadDocument(const QString& filePath) const = 0;
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virtual SettingsWidget* createSettingsWidget(QWidget* parent = 0) const { Q_UNUSED(parent); return 0; }
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};
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} // qpdfview
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Q_DECLARE_INTERFACE(qpdfview::Plugin, "local.qpdfview.Plugin")
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#endif // DOCUMENTMODEL_H
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